CVE-2014-6053
libvncserver: server NULL pointer dereference flaw in ClientCutText message handling
Severity
ModerateRed Hat Product Security
CVSS 2.0
Review impact separately from score.
Published · September 23, 2014
Updated · November 21, 2025
Description
A NULL pointer dereference flaw was found in the way LibVNCServer handled certain ClientCutText message. A remote attacker could use this flaw to crash the VNC server by sending a specially crafted ClientCutText message from a VNC client.
Statement
Red Hat Enterprise Linux 5 is now in Production 3 Phase of the support and maintenance life cycle. This has been rated as having Moderate security impact and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 2.0 · 6AV:N/AC:M/Au:S/C:P/I:P/A:P
CWE-476 · NULL Pointer Dereference